Finding the Fourth Proportional to 12,432.99, 17,155.71 and 7,054.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,432.99 : 17,155.71 = 7,054.59 : x
2. Step 2: Convert to fraction form
   12,432.99/17,155.71 = 7,054.59/x
3. Step 3: Cross multiply
   12,432.99x = 17,155.71 × 7,054.59
4. Step 4: Simplify right side
   12,432.99x = 121,026,500.21
5. Step 5: Solve for x
   x = 121,026,500.21/12,432.99
6. Step 6: Final answer
   x = 9,734.30